208030377

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2647}}^1$

素因数の和:2757

約数の個数: 32

約数和(自身を含む): 311150592

約数和(自身を除く): 103120215

約数列:

[1, 3, 17, 23, 51, 67, 69, 201, 391, 1139, 1173, 1541, 2647, 3417, 4623, 7941, 26197, 44999, 60881, 78591, 134997, 177349, 182643, 532047, 1034977, 3014933, 3104931, 4079027, 9044799, 12237081, 69343459, 208030377]

約数ペア:

[(1, 208030377), (3, 69343459), (17, 12237081), (23, 9044799), (51, 4079027), (67, 3104931), (69, 3014933), (201, 1034977), (391, 532047), (1139, 182643), (1173, 177349), (1541, 134997), (2647, 78591), (3417, 60881), (4623, 44999), (7941, 26197)]